diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/time.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/time.c b/lib/time.c index 477440de16..b001745203 100644 --- a/lib/time.c +++ b/lib/time.c @@ -6,6 +6,9 @@ */ #include <common.h> +#include <dm.h> +#include <errno.h> +#include <timer.h> #include <watchdog.h> #include <div64.h> #include <asm/io.h> @@ -37,6 +40,52 @@ unsigned long notrace timer_read_counter(void) extern unsigned long __weak timer_read_counter(void); #endif +#ifdef CONFIG_TIMER +static int notrace dm_timer_init(void) +{ + struct udevice *dev; + int ret; + + if (!gd->timer) { + ret = uclass_first_device(UCLASS_TIMER, &dev); + if (ret) + return ret; + if (!dev) + return -ENODEV; + gd->timer = dev; + } + + return 0; +} + +ulong notrace get_tbclk(void) +{ + int ret; + + ret = dm_timer_init(); + if (ret) + return ret; + + return timer_get_rate(gd->timer); +} + +unsigned long notrace timer_read_counter(void) +{ + unsigned long count; + int ret; + + ret = dm_timer_init(); + if (ret) + return ret; + + ret = timer_get_count(gd->timer, &count); + if (ret) + return ret; + + return count; +} +#endif /* CONFIG_TIMER */ + uint64_t __weak notrace get_ticks(void) { unsigned long now = timer_read_counter(); |